The capacity of a condenser in which a dielectric of dielectric constant 5 has been used, is C. If the dielectric is replaced by another with dielectric constant 20, the capacity will become
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
∴ ∴ 
⇒ ⇒ 
⇒ ⇒ C 2 = 4C
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